GURPS Character Generator 4e, helps you make the characters fast and easy. It got a quick list of all advantages, disadvantages, skills and Quirks. It got all the page numbers written down so you don't miss out on a skill you didn't read through.
Once you are done you can simply print your character and bring it. This makes it easy and handy to make characters to a convention, where you have a lot of players you need to make characters for, or even track your own progress.